Solving Quadratic Square Root

What are the solutions?

• -.5, 3.5

• 0,6

• -2.5, 4.5

• -1, 4

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4

Find the solutions of the equation x² - 16 = 0 by extracting the square root.

• x = 4 and x = -4

• x = 4

• x = -4

• no answer

How many solution does a quadratic equation x² - 9 = 16 have ?

• none

• 1

• 2

• 3

What are the roots / solutions of the quadratic equation 3x² = 300 ?

• x = 10

• x = 9

• x = + 9

• x = + 10

What are the values of x does the quadratic equation 3(x - 2)² = 27 have?

• x = 7 and x = -1

• x = 1 and x = -7

• x = 5 and x = -1

• x = 1 and x = -5

What are the roots / solutions of the quadratic equation x² = 32?

What equation has the roots of x = 7 and x = -7?

• x² - 14 = 0

• x² - 49 = 0

• x² + 49 = 0

• x² = 14

What are the roots of the quadratic equation (s - 4)² - 81 = 0?

• s = 9/2 and s = -9/2

• s = 9 and s= -9

• s = 2 and s = -2

• s = 13 and s = -13

What are the roots of the quadratic equation 3t² = 12?

• t =4 and t = -4

• t = 2 and t = -2

• t = 3 and t = -3

• t = 9 and t = -9